The AGX screen freezes

Why the screen keeps stuck here?
After installing Jetpack 4.1DP , the AGX restarted and screen freezes here.
I want to know reason,and how to solve?

Hello @a3345atp,
can you please specify what jetson platform you are using and move your topic to the relevant category?
Jetson AGX Xavier
Jetson Xavier NX
Jetson Nano
Jetson TX2
Jetson TX1

Hi a3345atp,

Please reflash your device with the latest version of JetPack: JetPack SDK | NVIDIA Developer